WO2023124504A1 - Système photographique d'endoscope, appareil d'endoscope et câble de transmission de données d'endoscope - Google Patents

Système photographique d'endoscope, appareil d'endoscope et câble de transmission de données d'endoscope Download PDF

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Publication number
WO2023124504A1
WO2023124504A1 PCT/CN2022/128815 CN2022128815W WO2023124504A1 WO 2023124504 A1 WO2023124504 A1 WO 2023124504A1 CN 2022128815 W CN2022128815 W CN 2022128815W WO 2023124504 A1 WO2023124504 A1 WO 2023124504A1
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WO
WIPO (PCT)
Prior art keywords
image processing
signal
optical
terminals
electrical signal
Prior art date
Application number
PCT/CN2022/128815
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English (en)
Chinese (zh)
Inventor
佘延超
刘彬
陈大兵
焦坤
付兴
Original Assignee
武汉迈瑞医疗技术研究院有限公司
深圳迈瑞生物医疗电子股份有限公司
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Priority claimed from PCT/CN2021/143064 external-priority patent/WO2023123202A1/fr
Application filed by 武汉迈瑞医疗技术研究院有限公司, 深圳迈瑞生物医疗电子股份有限公司 filed Critical 武汉迈瑞医疗技术研究院有限公司
Publication of WO2023124504A1 publication Critical patent/WO2023124504A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00011—Operational features of endoscopes characterised by signal transmission
    • A61B1/00018—Operational features of endoscopes characterised by signal transmission using electrical cables
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00011—Operational features of endoscopes characterised by signal transmission
    • A61B1/00013—Operational features of endoscopes characterised by signal transmission using optical means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Definitions

  • the invention relates to a medical diagnosis equipment, in particular to an endoscope camera system, an endoscope device and a data transmission cable thereof.
  • the endoscope camera system has higher and higher requirements for image clarity, and the amount of data processed by its camera is also increasing. Since the data in the camera needs to be reliably transmitted to image processing equipment for processing, Then output to the monitor display, which puts forward higher requirements for long-distance transmission of high-speed data.
  • a photoelectric composite cable is used for data transmission between the endoscope camera and the image processing equipment, and high-speed video signals are transmitted between the cable plug and the socket of the image processing equipment using lenses and mirrors for optical transmission.
  • the equipment socket belongs to the optical connector (optical connector scheme).
  • the optical signal is then converted into an electrical signal in the image processing device. Since the cable plug and the image processing equipment socket will be repeatedly plugged and pulled by the user, the tolerance requirements for the assembly of optical components such as lenses and lenses are relatively high, which increases the cost of mechanical structural parts. In addition, the optical components are at risk of contamination, making The reliability of data transmission is reduced, which can easily lead to signal transmission errors.
  • an endoscope device including:
  • a data transmission cable including a second interface part arranged at the far end and a first optical module; the second interface part is connected to the first interface part; the first optical module is electrically connected to the image processing component , for obtaining a first electrical signal from the image processing component, and converting the first electrical signal into a first optical signal; the first electrical signal includes at least the image signal;
  • the data transmission cable also includes at least one optical fiber, the far end of the optical fiber is connected to the first optical module for transmitting the first optical signal generated by the first optical module to the optical fiber the proximal end;
  • the data transmission cable also includes an electrical connector and a second optical module arranged at the proximal end, the second optical module is connected to the proximal end of the optical fiber, and is used to obtain the first light transmitted by the optical fiber. signal, and convert the first optical signal into a second electrical signal; the second electrical signal includes at least the image signal; the electrical connector is used to be removably inserted into the image processing device, so that The second electrical signal is transmitted to the image processing device.
  • the embodiment of the present application provides another endoscopic device, including:
  • An operation part includes a housing with a grippable shape and an image processing component arranged inside the housing, and the image processing component is used to at least output an image signal of a patient's part to be observed; the operation part The proximal end is provided with a first interface portion;
  • the operation part further includes a first optical module, the first optical module is electrically connected to the image processing component, and is used to obtain a first electrical signal from the image processing component, and convert the first electrical signal into a first optical signal; the first electrical signal includes at least the image signal;
  • the data transmission cable includes a second interface part arranged at the far end; the second interface part is connected to the first interface part;
  • the data transmission cable further includes at least one optical fiber, the far end of the optical fiber is connected to the first optical module through an optical connector, and is used to obtain the first optical signal from the first optical module, and transmitted to the proximal end of the optical fiber;
  • the data transmission cable also includes a near-end electrical connector and a second optical module, the second optical module is connected to the proximal end of the optical fiber, and is used to obtain the first optical signal transmitted by the optical fiber , and convert the first optical signal into a second electrical signal; the second electrical signal includes at least the image signal; the electrical connector is used to be removably plugged into an image processing device to connect the The second electrical signal is transmitted to the image processing device.
  • the embodiment of the present application provides an endoscope data transmission cable, the data transmission cable includes a second interface part and a first optical module arranged at the far end; the second The interface part is used for connecting with the first interface part of the operating part of the endoscope device; the first optical module is used for electrically connecting with the image processing component of the operating part, so as to obtain the first electrical signal from the image processing component signal, and convert the first electrical signal into a first optical signal; the first electrical signal includes at least the image signal of the patient's part to be observed output by the image processing component;
  • the data transmission cable also includes at least one optical fiber, the far end of the optical fiber is connected to the first optical module for transmitting the first optical signal generated by the first optical module to the optical fiber the proximal end;
  • the data transmission cable also includes an electrical connector and a second optical module arranged at the proximal end, the second optical module is connected to the proximal end of the optical fiber, and is used to obtain the first light transmitted by the optical fiber. signal, and convert the first optical signal into a second electrical signal; the second electrical signal includes at least the image signal; the electrical connector is used to be removably inserted into the image processing device, so that The second electrical signal is transmitted to the image processing device.
  • the embodiment of the present application provides an endoscope camera system, including a light source, a light guide, an image processing device, and any one of the above-mentioned endoscope devices, the light source passes through the The light guide is connected with the endoscope device.
  • Fig. 1 is a schematic structural diagram of an endoscope camera system in an embodiment of the present application
  • FIG. 3 is a schematic diagram of the internal structure of the operating unit in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of the structure of the remote end of the data transmission cable in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of the structure of the remote end of the data transmission cable in an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of the proximal end (electrical connector) of the data transmission cable in an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of an electrical connector for a data transmission cable in an embodiment of the present application.
  • Fig. 8 is a schematic diagram of the structure of the wire spring pin and the wire spring socket in an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the internal structure of a data transmission cable in an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a spiral tube in a data transmission cable in an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a data transmission cable in an embodiment of the present application.
  • Fig. 13 is a schematic structural diagram of an endoscope device in an embodiment of the present application.
  • connection and “connection” mentioned in this application include direct and indirect connection (connection) unless otherwise specified.
  • the electro-optic conversion module is installed at the end of the cable connected to the camera. It can usually share the space in the main body of the camera moderately, and even the electro-optic conversion module is directly installed as a part of the camera. inside the camera. Therefore, the electro-optic conversion module has little influence on the design of the cable head-end volume.
  • the photoelectric conversion module is located at the end of the cable connected to the image processing device.
  • the design here needs to take into account the size of the cable head end and the spatial layout of the photoelectric conversion module, which poses certain design difficulties for those skilled in the art. This is also one of the factors why the aforementioned optical connector scheme is adopted.
  • the optical connector scheme the cable and the image processing device are connected through an optical connector, and the photoelectric conversion module is arranged inside the image processing device, which has enough space for layout, so this problem does not exist.
  • the optical connector solution also brings the aforementioned new problems of high cost and low reliability.
  • This application proposes for the first time that the two ends of the endoscope data transmission cable realize the "electrical-optical-electrical" conversion respectively.
  • the high-speed video signal in the cable is transmitted by optical fiber to ensure the quality and reliability of signal transmission.
  • the electro-optic and photoelectric conversion modules are integrated at both ends of the cable.
  • the module is converted into an optical signal, and the optical signal is transmitted in the cable through an optical fiber.
  • At the connection end of the cable and the image processing device it is converted into an electrical signal through a photoelectric conversion module, and then transmitted to the inside of the image processing device through an electrical connector.
  • the image signal is used as a high-speed signal, which is transmitted by optical fiber, realizes the conversion of electricity-optical-electricity on the data transmission cable, supports long-distance communication, and at the same time ensures the quality of the signal transmitted to the image processing equipment.
  • the diameter and weight of the cable can be reduced, and the hand feel of the user can be improved.
  • the photoelectric and electro-optical conversion modules are respectively integrated at both ends of the data transmission cable, which avoids the special requirements on part tolerance and lens cleanliness when the photoelectric conversion module is integrated at the image processing equipment end, reduces costs and improves reliability while ensuring signal quality sex.
  • the embodiment of the present application provides an endoscope camera system 1000, including a light source 10, a light guide 20, an endoscope camera 40, a data transmission cable 71, an image processing device 50, a display 60 and a video Connection line 72.
  • the endoscope 30 is used to be inserted into the patient 100 to be observed, and it includes an illumination optical path and an imaging optical path.
  • the illumination optical path is connected with the light guide 20, and is used to irradiate the light transmitted by the light source 10 to a specific part of the inspection object.
  • the imaging optical path is connected to the internal
  • the endoscope camera 40 is docked to obtain light signals reflected or excited by specific parts of the inspection object and transmitted to the endoscope camera 40 .
  • the image processing device 50 is connected to the endoscope camera 40 through the data transmission cable 71 , and the image signal generated by the endoscope camera 40 is transmitted to the image processing device 50 through the data transmission cable 71 for processing.
  • the endoscope camera 40 converts the image signal (electrical signal) into an optical signal, which is transmitted to the image processing device 50 by the data transmission cable 71, and the image processing device 50 converts the optical signal into an electrical signal (image signal). Signal).
  • the end of the data transmission cable 71 connected to the camera 40 is provided with an electro-optical conversion module for converting image signals into optical signals; the end of the signal transmission cable 71 connected to the image processing device 50 is provided with a photoelectric conversion module , for converting the transmitted optical signal back into an electrical signal and transmitting it to the image processing device 50 .
  • the image processing device 50 is connected to the display 60 through a video connection line 72 for sending image signals to the display 60 for display.
  • the data transmission cable 71 may be an optical communication cable, such as an optical fiber; in another embodiment, the data transmission cable 71 may also be a photoelectric composite communication cable.
  • the endoscope 30 may be an optical rigid tube
  • the camera 40 is provided with one or more image sensors for converting the image light transmitted by the optical rigid tube into an image signal.
  • the optical tube mirror is detachably connected to the camera 40 through a buckle structure.
  • the endoscope 30 is also a rigid tube scope, but the image sensor is arranged at the head end of the endoscope 30 inserted into the patient 100, and the image sensor converts the image light acquired by the head end of the endoscope 30 into an image signal Afterwards, the signal is transmitted to the camera 40, and the camera 40 is provided with an image processing component for processing the image signal.
  • the endoscope 30 and the camera head 40 are integrated one-piece parts, and the two cannot be disassembled during operation.
  • 3D rigid tube endoscopes belong to this structural form.
  • the endoscope 30 can be a flexible structure, and the image sensor is arranged at the head end of the endoscope 30 inserted into the patient 100, and the image sensor converts the image light acquired by the head end of the endoscope 30 into an image signal and then transmits the As for the camera 40, an image processing component is arranged in the camera 40 for processing image signals.
  • the endoscope 30 and the camera head 40 are integrated one-piece parts, and the two cannot be disassembled during operation. Typically, electronic soft mirrors belong to this structural form.
  • FIG. 1 is only an example of an endoscope camera system 1000, and does not constitute a limitation to the endoscope camera system 1000.
  • the endoscope camera system 1000 may include more than those shown in FIG. Or fewer parts, or some combination of parts, or different parts.
  • an embodiment of the present application provides an endoscope device, which includes an operating part 40 and a data transmission cable 71 .
  • the operation part 40 is generally also referred to as a camera (ie, 40 in FIG. 1 ).
  • the operation part 40 includes a housing with a graspable shape and an image processing component 80 disposed inside the housing.
  • the image processing component 80 is used to at least output For the image signal of the part of the patient to be observed, the proximal end of the operation part 40 is provided with a first interface part 201 .
  • near end and distal end refer to the endoscopic camera system, the end of the same component far away from the image processing device 50 is the far end, and the end close to the image processing device 50 is the near end.
  • the first optical module 203 may include an electrical-to-optical conversion module for converting an electrical signal into an optical signal for optical transmission of the signal through the optical fiber 204;
  • the second optical module 206 may include a photoelectric conversion module for converting The optical signal transmitted by the optical fiber 204 is converted into an electrical signal to be transmitted to the image processing device 50 through the electrical connector 205 .
  • the first optical module 203 and the second optical module 206 are respectively arranged at the two ends of the data transmission cable 71, which can realize the optical transmission of the endoscope image signal, and provide a specific solution for the high-speed transmission of a large amount of data .
  • the electrical connector 205 is removably plugged into the image processing device 50 , which can ensure that the operating part and the data transmission cable are disassembled together for cleaning and disinfection.
  • the data transmission cable 71 is connected to the image processing device 50 through the electrical connector 205, which avoids the problems of complex manufacturing process and low reliability of data transmission when using an optical connector for connection.
  • the data transmission cable 71 further includes a power cord 210, one end of the power cord 210 is used to connect to the power supply of the image processing device 50 through the electrical connector 205, and the other end is used to connect to the image processing component 80 and the second An optical module 203 for supplying power 203 to the image processing component 80 and the first optical module.
  • the data transmission cable 71 further includes at least one control signal line 210 (in FIG. One end of the wire 210 is used to connect to the image processing device 50 through the electrical connector 205 , and the other end is connected to the image processing component 80 for unidirectional or bidirectional transmission of control electrical signals between the image processing component 80 and the image processing device 50 .
  • the electrical control signals include signals of physical keys on the operation unit 40 , such as control signals of keys such as brightness adjustment and focus adjustment of the endoscope image.
  • the control signal line 210 needs to implement bidirectional transmission of control electrical signals, for example, to transmit some control signals in the image processing device 50 to the operation unit 40, and these control signals may include, for example, focusing drive signals for adjusting The optical lens in the operation part 40 is used to realize the focus adjustment of the endoscopic image.
  • the electrical connector 205 includes a plurality of electrical signal terminals 208, and the electrical signal terminals are used to electrically connect with the image processing device 205 when the electrical connector 205 is plugged into the image processing device 50, To transmit the second electric signal to the image processing device 50 , transmit the control electric signal between the image processing component 80 and the image processing device 50 , and connect one end of the power cord 210 to the power source of the image processing device 50 .
  • the image processing device 50 is provided with another electrical connector 207 mated with the electrical connector 205 .
  • the electrical connectors between the data transmission cable 71 and the image processing device 50 are a pair of male and female plug sockets.
  • the electrical signal terminal 208 is a wire spring pin 211
  • the wire spring pin 211 is used for mating with a wire spring socket 212 at the end of the image processing device 50 .
  • This wire spring terminal connection method has the characteristics of multi-point contact, small insertion and withdrawal force, and high reliability, and meets the requirements of the endoscope for the insertion and extraction life of the data transmission cable 71 .
  • the electrical signal terminals and the terminals in the image processing equipment are contacted and connected by elastic metal parts (including but not limited to hyperboloid wire springs, through springs, etc.), which have higher reliability, low processing difficulty and controllable cost.
  • elastic metal parts including but not limited to hyperboloid wire springs, through springs, etc.
  • the socket hole is provided with a ribbed structure as shown in FIG. 7 (the pins are recessed, lower than other external structures), and the positioning of the plug of the data transmission cable 71 and the socket of the image processing device 50 is increased to prevent the plug from being inserted. Pin bending caused by positional deviation, while protecting the pin from collisions with other external instruments.
  • the plurality of electrical signal terminals 208 include first-type terminals and second-type terminals, the creepage distance between the first-type terminals and the second-type terminals is not less than 2.5 mm, and the air gap is not less than 1.5 mm.
  • the first type of terminals includes connection terminals for optically transmitted signals (such as image signals) in the data transmission cable 71
  • the second type of terminals includes signals for electrical transmission in the data transmission cable 71 (such as control signal) connection terminal.
  • the optical transmission signal is usually a high-speed signal with a large amount of data
  • the electrical transmission signal is usually a low-speed signal
  • the electrical signal terminals corresponding to the two types of signals are distinguished, and the creepage distance and air gap between the two types of terminals are limited. Gaps to achieve electrical isolation of the two types of signals to avoid interference.
  • a plurality of electrical signal terminals 208 include a first group of terminals 213 and a second group of terminals 214, and the first group of terminals 213 and the second group of terminals 214 are arranged on the electrical connector 205 for plugging.
  • the distance L1 between the adjacent boundaries of the two different regions is greater than any two adjacent terminals in the first group of terminals 213 or the second group of terminals 214
  • the minimum distance L2 between terminals; the second electrical signal generated by the second optical module 206 is transmitted to the image processing device 50 through at least part of the first group of terminals 213, and the power line and control signal line 210 pass through the second group of terminals 214 At least part of is electrically connected to the image processing device 50 .
  • the connecting terminals corresponding to the high-speed signal and the low-speed signal are divided into two groups, And physical isolation is carried out in different regions, which can realize the electrical isolation of the two types of signals and avoid interference.
  • the first group of terminals 213 includes a first power supply terminal 2131 for connecting to the power supply of the image processing device 50 in addition to terminals for transmitting image signals, so as to provide power for the second optical module 206;
  • the second set of terminals 214 also includes a second power terminal 2141 for connecting to the power cord 210 so as to connect one end of the power cord 210 to the power source of the image processing device 50 .
  • the first group of terminals 213 further includes a first ground terminal 2132, which is used to connect a specific part of the device transmitting the second electrical signal to the ground potential on the image processing device 50, so as to realize protective grounding; for example,
  • the device that will transmit the second electrical signal includes a related circuit board, and the first ground terminal 2132 is used to connect the GND on the circuit board to the ground potential on the image processing device 50 .
  • the second group of terminals 214 also includes a second ground terminal 2142, which is used to connect a specific part of the device that transmits the control electrical signal to the ground potential on the image processing device 50 to achieve protective grounding; for example, the device that transmits the control electrical signal Including the relevant circuit board, the second ground terminal 2142 is used to connect the GND on the circuit board to the ground potential on the image processing device 50 .
  • the image processing component 80 includes a first board-to-board connector 215, and the data transmission cable 71 includes a second board-to-board connector corresponding to the first board-to-board connector 215.
  • the connector 216 , the first board-to-board connector 215 and the second board-to-board connector 216 are plugged together to realize the electrical connection between the first optical module 203 and the image processing component 80 .
  • the image processing component 80 should be considered to include an image processing board inside the operation unit 40 , and components such as a power board, an image sensor board, and a control circuit board.
  • the signals output by these components can be transmitted to the data transmission cable 71 through the first board-to-board connector 215 and the second board-to-board connector 216, or the image processing component 80 can be transmitted to the data transmission cable 71 through the first board-to-board connector 215 and the second board-to-board connector 215.
  • Two board-to-board connectors 216 take signals from the image processing device 50 .
  • the first board-to-board connector 215 is electrically connected to other components of the image processing assembly 80 through a flexible circuit board 217, and the first board-to-board connector 215 is used as a free end to realize connection with the second board. Insertion or removal of the board connector 216 .
  • the operation part 40 and the data transmission cable 71 are two separate parts during production and assembly, and they need to be assembled through the first interface part 201 and the second interface part 202.
  • the first board-to-board connector 215 It is connected to the image processing component 80 through the flexible circuit board 217, which is used as a free end, which can better facilitate assembly.
  • the second board-to-board connector 216 is electrically connected to the first optical module 203 through a flexible circuit board, and the second board-to-board connector 216 is used as a free end to realize connection with the first board-to-board Plugging or unplugging of the connector 215.
  • first board-to-board connector 215 and the second board-to-board connector 216 are used as free ends, which can be selected according to actual needs. As long as one of them is guaranteed to be a free end, the purpose of convenient assembly can be achieved.
  • the first electrical signal further includes a control signal
  • the second electrical signal further includes a control signal
  • the control signals may also include physical key signals of the operation unit 40 , and these control signals are transmitted to the image processing device 50 through the optical fiber 204 in the form of optical transmission.
  • the control signals may all be transmitted by light, all may be transmitted by electricity, or partly by light and partly by electricity.
  • the first optical module 203 is also used to convert the image signal and the control signal in the first electrical signal into optical signals, and transmit them through the optical fiber 204 in a time-division or frequency-division manner. Since the image signal and the control signal belong to two different types of signals, in order to distinguish the two during the optical transmission process and avoid mutual interference, the two types of signals can be transmitted in the form of time division or frequency division. Certainly, in another embodiment, the two types may also be fused together for transmission instead of separate transmission in a time-division or frequency-division manner.
  • the second optical module 206 is also used to obtain a third electrical signal from the image processing device 50 through the electrical connector 205, and convert the third electrical signal into a second optical signal; the optical fiber 204 is also used to convert the third electrical signal The second optical signal is transmitted to the far end of the optical fiber 204 ; the first optical module 203 is also used to acquire the second optical signal and convert the second optical signal into a fourth electrical signal for transmission to the image processing component 80 .
  • the first optical module 203 further includes a photoelectric conversion module, and the second optical module 206 further includes an electrical-optical conversion module.
  • the data transmission cable 71 can implement bidirectional optical transmission of signals between the image processing component 80 and the image processing device 50 .
  • the first optical module 203 and the second optical module 206 are configured to perform the first Transmission of the optical signal and the second optical signal.
  • the data transmission cable 71 also includes an outer protective sheath 218 and a helical tube 219, the helical tube 219 is arranged between the optical fiber 204 and the outer protective sheath 218, and the helical tube 219 connects the optical fiber 204 is wrapped inside the spiral tube 219; the outer protective sheath 218 is arranged on the outermost layer, and the outer protective sheath 218 wraps the optical fiber 204 and the helical tube 219 inside the outer protective sheath.
  • FIG. 10 it is a schematic diagram of the shape and structure of the spiral tube 219 in this embodiment. Since the data transmission cable 71 is a flexible cable, it is often bent or even bent at a large angle during use.
  • the helical tube 219 can better protect the optical fiber 204 , prevent the optical fiber 204 from breaking during the bending process of the data transmission cable 71 , and improve the crush resistance and bending resistance of the data transmission cable 71 .
  • one or more optical fiber connection ports 220 are provided in the first optical module 203 for connecting the optical fiber 204 inside the data transmission cable 71 .
  • the power line and the control signal line 210 can be arranged on the outer layer of the spiral tube 219 .
  • the second interface part 202 and the first interface part 201 are connected by threaded sockets.
  • the second interface part 202 can be socketed on the head end of the data transmission cable 71 , which can be a free end.
  • the second interface part 202 is then socketed on the first interface part 201 by means of screw connection.
  • the two ends of the data transmission cable 71 are generally hard connection ends, so as to facilitate the installation of electronic components inside. That is, in these embodiments, the second board-to-board connector 216, the first optical module 203 and its associated circuit boards are arranged in the hard part at the far end of the data transmission cable 71; the electrical connector 205, the second The optical module 206 and its related circuit boards are arranged in the hard part at the near end of the data transmission cable 71 .
  • the rigid component can be a rigid housing.
  • the second board-to-board connector 216 and its related circuit cards are arranged in the hard part at the far end of the data transmission cable 71, and the first optical module 203 is arranged in the data transmission cable 71.
  • the electrical connector 205 and its related circuit card are arranged in the hard part at the near end of the data transmission cable 71; the second optical module 206 is arranged at the near end of the data transmission cable 71 at the flexible part.
  • the embodiment of the present application also provides another endoscope device, which is similar in structure to the endoscope device provided in the above embodiment, the difference is that the first optical module 203 is arranged in the operation part 40
  • the optical fiber 204 in the data transmission cable 71 is connected to the first optical module 203 through an optical connector 221 , and the optical connector 221 is used to transmit the optical signal generated by the first optical module 203 to the optical fiber 204 .
  • the optical connector 221 since the optical connector 221 is located between the operation part 40 and the data transmission cable 71, generally, after the operation part 40 and the data transmission cable 71 are assembled, the user generally does not disassemble them. They are used together, including when cleaning and disinfecting.
  • the arrangement of the optical connector 221 at this position will not cause all the aforementioned problems of data transmission between the data transmission cable 71 and the image processing device 50 using the optical connector.
  • other structures and working principles of the endoscope device are the same as those in Figs. 1-12, and will not be repeated here.
  • the embodiment of the present application also provides an endoscope data transmission cable 71, the data transmission cable 71 includes a second interface part 202 and a first optical module 203 arranged at the far end;
  • the interface part 202 is used to connect with the first interface part 201 of the operation part 40 of the endoscope device; and convert the first electrical signal into a first optical signal; the first electrical signal at least includes the image signal of the part of the patient to be observed output by the image processing component 80 .
  • the data transmission cable 71 also includes at least one optical fiber 204, the far end of the optical fiber 204 is connected to the first optical module 203, and is used to transmit the first optical signal generated by the first optical module 203 to the proximal end of the optical fiber 204;
  • the data transmission cable 71 also includes an electrical connector 205 and a second optical module 206 arranged at the proximal end, the second optical module 206 is connected to the proximal end of the optical fiber 204, and is used to obtain the first optical signal transmitted by the optical fiber 204, and The first optical signal is converted into a second electrical signal; the second electrical signal includes at least an image signal; the electrical connector 205 is used to be removably plugged into an image processing device 50, so as to transmit the second electrical signal to the image processing device 50.
  • the structure and working principle of the data transmission cable 71 are the same as those in FIGS. 1-12 , and will not be repeated here.

Abstract

La présente invention concerne un câble de transmission de données d'endoscope (71). Une conversion électro-optico-électrique est réalisée au niveau de deux extrémités du câble de transmission de données d'endoscope (71), respectivement. Un signal vidéo à grande vitesse dans le câble (71) est transmis à l'aide d'une fibre optique (204), ce qui permet d'assurer la qualité et la fiabilité de transmission de signal. En outre, un module de conversion électro-optique et un module de conversion photoélectrique sont intégrés aux deux extrémités du câble (71), un signal électrique au niveau d'une extrémité de caméra (40) est transmis au câble (71) au moyen d'un connecteur électrique (205), et est ensuite converti en un signal optique au moyen du module de conversion électro-optique, le signal optique est transmis dans le câble (71) au moyen de la fibre optique (204), et est ensuite converti, au niveau d'une extrémité de connexion du câble (71) et d'un dispositif de traitement d'image (50), en signal électrique au moyen du module de conversion photoélectrique, et le signal électrique est ensuite transmis dans le dispositif de traitement d'image (50) au moyen d'un connecteur électrique.
PCT/CN2022/128815 2021-12-30 2022-10-31 Système photographique d'endoscope, appareil d'endoscope et câble de transmission de données d'endoscope WO2023124504A1 (fr)

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CNPCT/CN2021/143064 2021-12-30
PCT/CN2021/143064 WO2023123202A1 (fr) 2021-12-30 2021-12-30 Système de caméra d'endoscope et connecteur électrique, unité principale de caméra et câble de transmission de signal associé
CN202111672585 2021-12-31
CN202111672585.8 2021-12-31

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CN210871453U (zh) * 2019-08-23 2020-06-30 重庆金山科技（集团）有限公司 一种内窥镜接头、内窥镜镜体、内窥镜冷光源及内窥镜系统

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US4621618A (en) * 1984-02-28 1986-11-11 Olympus Optical Company, Ltd. Dual viewing and control apparatus for endoscope
US5941818A (en) * 1996-10-01 1999-08-24 Vista Medical Technologies, Inc. Endoscopic video camera with malleable support
JP2015160098A (ja) * 2014-02-28 2015-09-07 富士フイルム株式会社 内視鏡システム
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